/*
    This file is part of the substandard lisp implementation of Standard Lisp
    Copyright (C) 2011 Nicky Nickell

    substandard lisp is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

function std_putd(a, env) {
  var fname = a[0];
  var type = a[1];
  var body = a[2];

  switch (type.value) {
  case 'expr':
    body.ftype = FTYPE_EXPR;
    break;
  case 'fexpr':
    body.ftype = FTYPE_FEXPR;
    break;
  case 'macro':
    body.macro = FTYPE_MACRO;
    break;
  default:
    // error?
  }

  env.functions.set(fname.prin1(), body);

  return fname;
}

/*---
name: putd
arity: 3
rest: false
ftype: FTYPE_EXPR

argument-types:
  - TYPE_ID
  - CLASS_FTYPE
  - TYPE_FUNCTION

doc: |
  explaining what putd is / how it is used!

tests: |

...*/
